Justin Gardner (Rhynorater), Joseph Thacker (Rez0), & Brandyn Murtagh (gr3pme)

Critical Thinking - Bug Bounty Podcast

A "by Hackers for Hackers" podcast focused on technical content ranging from bug bounty tips, to write-up explanations, to the latest hacking techniques.

Author

Justin Gardner (Rhynorater), Joseph Thacker (Rez0), & Brandyn Murtagh (gr3pme)

Category

Technology

Podcast website

criticalthinkingpodcast.io

Latest episode

Jul 9, 2026

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Episodes

Episode 57: Technical breakdown from Miami Hacking Event - H1-305 08.02.2024

Episode 57: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are live from Miami, and recap their experience and share takeaways from the live hacking event. They highlight the importance of paying attention to client-side routing and the growing bug class of client-side path traversal. They also discuss the challenges of knowing when to cut your losses and the value of t...

Episode 56: Using Data Science to win Bug Bounty - Mayonaise (aka Jon Colston) 01.02.2024

Episode 56: Using Data Science to win Bug Bounty - Mayonaise (aka Jon Colston) Episode 56: In this episode of Critical Thinking - Bug Bounty Podcast, Justin sits down with Jon Colston to discuss how his background in digital marketing and data science has influenced his hunting methodology. We dive into subjects like data sources, automation, working backwards from vulnerabilities, applying conver...

Episode 55: Popping WordPress Plugins - Methodology Braindump 25.01.2024

Episode 55: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is joined by Wordpress Security Researcher Ram Gall to discuss both functionality and vulnerabilities within Wordpress Plugins. Follow us on twitter Send us any feedback here : Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: ------ Ways to Su...

Episode 54: White Box Formulas - Vulnerable Coding Patterns 18.01.2024

Episode 54: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with news items and new projects. Joel shares about his personal scraping project to gather data on bug bounty programs and distribution Next, they announce the launch of HackerNotes, a podcast companion that will summarize the main technical points of each episode. They also discuss a recent GitLab CVE...

Episode 53: 500k/yr as Full-Time Bug Hunter & Content Creator - Nahamsec 11.01.2024

Episode 53: In this episode of Critical Thinking - Bug Bounty Podcast,we’re joined by none other than NahamSec. We start by discusses the challenges he faced on his journey in bug bounty hunting and content creation, including personal struggles and the pressure of success. We also talk about finding balance and managing mental energy, going the extra mile, and the importance of planning and setti...

Episode 52: Best Technical Content from Year 1 of CTBB Podcast 04.01.2024

Episode 52: In this episode of Critical Thinking - Bug Bounty Podcast we're going back and highlighting some of the best technical moments from the past year! Hope you enjoy this best of 2023 Supercut! Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCracker for the awesome intro music...

Episode 51: Hacker Stats 2023 & 2024 Goals 28.12.2023

Episode 51: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are back for the last episode of 2023. We discuss some noteworthy news items including a Hacker One Crit, Caido updates, and some Blind CSS. Then we dive into our own personal ‘Hackers Wrapped’ recap of the year, before laying out some goals for 2024. Follow us on twitter at: @ctbbpodcast We're new to this podca...

Episode 50: ­Mathias 'Fall in a well' Karlsson - Bug Bounty Prophet 21.12.2023

Episode 50: In this episode of Critical Thinking - Bug Bounty Podcast, Justin catches up with hacking master Mathias Karlsson, and talks about burnout, collaboration, and the importance of specialization. Then we dive into the technical details of MXSS and XSLT, character encoding, and give some predictions of what Bug Bounty might look like in the future… Follow us on twitter at: @ctbbpodcast Sen...

Episode 49: Getting Live Hacking Event Invites & Bug Bounty Collab with Nagli 14.12.2023

Episode 49: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is once again joined by Nagli to discuss some of their recent hacking discoveries. They talk about finding and exploiting a backup file in an ASP.NET app, discovering vulnerabilities through Swagger files, and debating the vulnerability of a specific ‘undisclosed’ domain. Then they reflect on 2023’s Live Hacking...

Episode 48: MVH, DEFCON Black Badge, Googler - Sam Erb 07.12.2023

Episode 48: In this episode, joined by the spectacular Sam Erb, Google Security Engineer and DEFCON Black Badge winner. We talk about the importance of understanding how systems work to find vulnerabilities, and how his engineering background influences his hunting style and methodologies. Then we jump over to his Career Development and his work with Google, and then chat about some of the recent...

Episode 47: CSP Research, Iframe Hopping, and Client-side Shenanigans 30.11.2023

Episode 47: In this episode of Critical Thinking - Bug Bounty Podcast, the holidays are fast approaching, and Justin and Joel discuss some of the struggles of getting back into the hacking groove during and after breaks. We also celebrate the newly launched Critical Thinking Discord Community before diving into Iframe Sandwhiches, JS Hoisting, CSP Bypasses, and a host of new tools, techniques, and...

Episode 46: The SAML Ramble 23.11.2023

Episode 46: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is deep diving the topic of SAML (Security Assertion Markup Language), and walks through what it is and why it can be intimidating, before going over some key attack vectors to look for. Then he closes out with a commentary on a sample payload, and some HackerOne reports. Follow us on twitter at: @ctbbpodcast We're new t...

Episode 45: The OG Bug Bounty King - Frans Rosen 16.11.2023

Episode 45: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Frans Rosén, an OG bug bounty hunter and co-founder of Detectify. We kick off with Frans sharing his journey bug bounty and security startups, before diving headfirst into a host of his blog posts. We also cover the value of pseudo-code for bug exploitation, understanding developer terminology, the cha...

Episode 44: URL Parsing & Auth Bypass Magic 09.11.2023

Episode 44: In this episode of Critical Thinking - Bug Bounty Podcast, the topic is URL structure, and Justin and Joel break down the elements that make up a URL and some common tips and tricks surrounding them which allow for all sorts of bypasses. We also round out the episode with some new tools, ato stories, and some controversial current events in the hacker scene. Follow us on twitter at: @c...

Episode 43: Caido - The Up-And-Coming HTTP Proxy 02.11.2023

Episode 43: In this episode of Critical Thinking - Bug Bounty Podcast, we're joined by Emile from Caido, who shares his journey into the bug bounty and ethical hacking world. We kick off with a hilarious incident involving Joel, a child on an airplane, and an unfortunate cough. We then dive into the challenges of building an HTTP proxy tool, balancing basic features with nice-to-have features, and...

Episode 42: Renniepak Interview & Intigriti LHE Recap 26.10.2023

Episode 42: In this episode of Critical Thinking - Bug Bounty Podcast, we're live from a hacking event in Portugal, and joined by the extremely talented René de Sain! He helps us cover a host of topics like NFT, XSS, LHE, and tips for success. We also talk about the correlation between creativity and hacking, shared workspaces, and last but certainly not least, hacker tattoos. Follow us on twitter...

Episode 41: Mini Masterclass: Attack Vector Ideation 19.10.2023

Episode 41: In this episode of Critical Thinking - Bug Bounty Podcast, Justin takes a break from his busy travel schedule to walk us through a few of his Attack Vector formulation strategies. We’re keeping this one short and sweet, so it can be better used as a reference when looking for new vectors. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us...

Episode 40: Bug Bounty Mentoring 12.10.2023

Episode 40: In this episode of Critical Thinking - Bug Bounty Podcast, it’s all about mentorships! Justin sits down with Kodai and So, two hackers he helped mentor, to discuss what worked and what didn’t. We talk about the importance of mentorship, what mentors might look for in a candidate, the challenges of transitioning from being mentored to self-education, and the necessity of continuous lear...

Episode 39: The Art of Architectures 05.10.2023

Episode 39: In this episode of Critical Thinking - Bug Bounty Podcast, We're catching up on news, including new override updates from Chrome, GPT-4, SAML presentations, and even a shoutout from Live Overflow! Then we get busy laying the groundwork on a discussion of web architecture. better get started on this one, cause we're going to need a part two! Follow us on twitter at: @ctbbpodcast We're n...

Episode 38: Mobile Hacking Maestro: Sergey Toshin 28.09.2023

Episode 38: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome mobile hacking maestro Sergey Toshin (aka @bagipro). We kick off with Sergey sharing his unexpected journey into mobile security, and how he rose to become the number one hacker in both Google Play Security and Samsung Bug Bounty programs. We then delve into the evolving perception of mobile bugs, a my...

Episode 37: Tokyo Hacking & Interview with 0xLupin 21.09.2023

Episode 37: In this episode of Critical Thinking - Bug Bounty Podcast we're joined by none other than Lupin himself! We recap the Tokyo LHE and the lessons we learned from it before diving into his legendary journey into security research and bug bounty. We also talk collaboration of all kinds: pair hacking, joining a team, and starting a business together. We even touch on some great tools that c...

Episode 36: Bug Bounty Ethics & CT Exclusive Bug Reports 14.09.2023

Episode 36: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel take a break from LHE prep to answer questions about the ethics of bug bounty and share their recent bug finds. We talk Iframes, mobile intercept proxies, open redirects, and that time Justin got shot at… Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedba...

Episode 35: King of Collaboration: Douglas Day 07.09.2023

Episode 35: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Douglas Day, a bug bounty hunter known for his unique methodologies and collaborative spirit. We talk about his approach to finding new endpoints in applications, his ingenious technique of exploiting Intercom widgets, and collaboration preferences and tips at LHEs. We also touch on the struggle of jus...

Episode 34: Program vs Hacker Debate 31.08.2023

Episode 34: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel have both beaten COVID and now square off against each other in a mega-debate representing hackers and program managers respectively. Among the topics included are Disclosures, Dupes, Zero-Day Policy, payouts, budgets, Triage and Retesting. So, if you want blood-pumping, insult-hurling opinion-invalidating debat...

Episode 33: The Master of Hacker Show&Tell: Inti De Ceukelaire 24.08.2023

Episode 33: In this episode of Critical Thinking - Bug Bounty Podcast, we welcome Inti De Ceukelaire, a seasoned bug hunter known for his creative storytelling and impactful show-and-tell bugs…and let us tell you, his stories do not disappoint! From his bug bounty journey to some pretty wild hacks, Inti captivates us as only Inti can. We discuss the potential life-saving impact of bug bounty repor...

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